This part is a kind of semiconductor called P9NC60.

Function of this product has STP9NC60.

Manufacturers : ST Microelectronics

Image and pinout :

Some of the text within the PDF file :

N-CHANNEL 600V - 0.6Ω - 9A - TO-220/TO-220FP PowerMesh™II MOSFET TYPE STP9NC60 STP9NC60FP s s s s s STP9NC60 STP9NC60FP VDSS 600 V 600 V RDS(on) < 0.75 Ω < 0.75 Ω ID 9.0 A 9.0 A (*) TYPICAL RDS(on) = 0.6 Ω EXTREMELY HIGH dv/dt CAPABILITY 100% AVALANCHE TESTED NEW HIGH VOLTAGE BENCHMARK GATE CHARGE MINIMIZED TO-220 3 1 2 3 1 2 DESCRIPTION The PowerMESH™II is the evolution of the first generation of MESH OVERLAY™. The layout refinements introduced greatly improve the Ron*area figure of merit while keeping the device at the leading edge for what concerns swithing speed, gate charge and ruggedness. APPLICATIONS HIGH CURRENT, HIGH SPEED SWITCHING s SWITH MODE POWER SUPPLIES (SMPS) s DC-AC CONVERTERS FOR WELDING EQUIPMENT AND UNINTERRUPTIBLE POWER SUPPLI [ ... ]

P9NC60 PDF Datasheet Download